Home / 500,773,519.28-691,150,209-277,827,029.60

Finding the Fourth Proportional to 500,773,519.28, 691,150,209 and 277,827,029.60

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Solution

The fourth proportional to 500,773,519.28, 691,150,209 and 277,827,029.60 is: 383,447,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,773,519.28 : 691,150,209 = 277,827,029.60 : x
  2. Step 2: Convert to fraction form
    500,773,519.28/691,150,209 = 277,827,029.60/x
  3. Step 3: Cross multiply
    500,773,519.28x = 691,150,209 × 277,827,029.60
  4. Step 4: Simplify right side
    500,773,519.28x = 192,020,209,573,889,216
  5. Step 5: Solve for x
    x = 192,020,209,573,889,216/500,773,519.28
  6. Step 6: Final answer
    x = 383,447,211.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.